/**
*      author: Y_Yao
*      created: 2025-04-09 21:23:07
**/

#include<bits/stdc++.h>

#define int LL
using namespace std;
using LL = long long;
const LL LLINF = 9e18;
const int INF = 0x3f3f3f3f;

void solve()
{
    string s;
    cin >> s;
    for(int i = s.size() - 1;i >= 0;i--)
    {
        if(s[i] == '.')
        {
            cout << s.substr(i + 1) << endl;
            return;
        }
    }
}

signed main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);

    int t = 1;
    //cin >> t;
    while(t--)
    {
        solve();
    }
    return 0;
}